Specific Columns & Formatting with Helper Method

Specific_columns_and_formatting_with_method.cs

public ActionResult ExportToExcel()
{
    var records = _getSampleInfoQuery.Execute();
    var columns = new[]
    {
        Column(x => x.College),
        Column(x => x.Amount, ExcelFormat.Money),
        Column(x => x.CreatedDate, ExcelFormat.Date, "Date"),
        Column(x => x.CreatedBy),
        Column(x => x.CreatedDate, ExcelFormat.Time, "Time"),
        Column(x => x.PercentageExample, ExcelFormat.Percent),
    };

    return new ExcelFileResult<SampleInfo>(records) {ColumnDefinitions = columns};
}